Supplier Page from Thermo Fisher Scientific for 4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran, 96+%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ellagic acid, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific